2025-12-19T05:37:13.45Z53.8353333333333-166.6596666666677.98manualconfirmedUSGS-0.5ml1Origin/20251220031529.32137.4235Magnitude/20251220031529.321419.4236USGS9 km WSW of Unalaska, Alaskaregion nameavcatalogav93955476contributorID